Young people who vape are 3 times more likely to take up smoking cigarettes. Vaping can lead to lung damage and can be harmful for young brains, which are still developing until Adolescence is a critical window for brain development. Nicotine exposure during this time increases the risk of addiction. Many young people who vape have never smoked. But those who vape are more Children who vape 'more likely to smoke, have asthma and poor mental health' Daily Record Vaping: How popular are e cigarettes?